38840863762340 has 48 divisors (see below), whose sum is σ = 81768705923520. Its totient is φ = 15497706871680.

The previous prime is 38840863762339. The next prime is 38840863762361. The reversal of 38840863762340 is 4326736804883.

It is a happy number.

It is a super-2 number, since 2×38840863762340² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84937910 + ... + 85393970.

It is an arithmetic number, because the mean of its divisors is an integer number (1703514706740).

Almost surely, 2^{38840863762340} is an apocalyptic number.

It is an amenable number.

38840863762340 is an abundant number, since it is smaller than the sum of its proper divisors (42927842161180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38840863762340 is a wasteful number, since it uses less digits than its factorization.

38840863762340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466652 (or 466650 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 62.

The spelling of 38840863762340 in words is "thirty-eight trillion, eight hundred forty billion, eight hundred sixty-three million, seven hundred sixty-two thousand, three hundred forty".